AirHint found the following cheapest return flights from Washington (DCA) to Ho Chi Minh City (SGN) in August 2025 (see full year).

Return flights

30 Aug - 18 Sep	China Airlines
29 Aug - 08 Sep	China Airlines
29 Aug - 07 Sep	Korean Air
05 Aug - 03 Sep	Alaska Airlines
04 Aug - 04 Sep	Alaska Airlines
05 Aug - 05 Sep	China Airlines
14 Aug - 27 Aug	Alaska Airlines
09 Aug - 06 Sep	Alaska Airlines
04 Aug - 29 Aug	Alaska Airlines
06 Aug - 05 Sep	China Airlines
16 Aug - 24 Aug	Alaska Airlines
15 Aug - 23 Aug	Alaska Airlines
07 Aug - 12 Sep	Cathay Pacific
05 Aug - 13 Aug	Alaska Airlines
05 Aug - 12 Aug	Alaska Airlines
04 Aug - 13 Aug	Alaska Airlines
05 Aug - 14 Aug	Alaska Airlines
08 Aug - 19 Aug	Alaska Airlines
08 Aug - 20 Aug	Alaska Airlines

Also check the deals for one-way flights from Washington to Ho Chi Minh City in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Washington to Ho Chi Minh City in August from $975

Return flights